iTHERM TrustSens TM371, TM372
Diagnostics and troubleshooting
Hauser
37
9.4
Overview of diagnostics events
Diagnostic events are assigned to a certain diagnostic number and a status signal. The user
can change this assignment for certain diagnostic events.
Example:
Settings
Device behavior
Configuration example
Diagnostic
number
Status
signal
Diagnostic
behavior
(settings)
Status signal
(output via HART®
protocol)
Output
current
PV, status
LED
Default setting
143
S
Warning
S
Measured
value
Measured value,
UNCERTAIN
Red is
flashing
Manual configuration:
Status signal S is switched to
F
143
F
Warning
F
Measured
value
Measured value,
UNCERTAIN
Red is
flashing
Manual configuration:
diagnostic behavior
Warning
is switched to
Alarm
143
S
Alarm
S
Configured
failure
current
Measured value,
BAD
Red is
illuminated
Manual configuration:
Warning
is switched to
Disabled
143
S
Disabled
-
Last valid
measured
value
Last valid
measured value,
GOOD
Green is
illuminated
1)
Setting is not relevant.
2)
Status signal is not indicated.
3)
If there is no valid measured value, it is set to the failure current
Diagnostic
number
Priority
Short text
Remedy
Status
signal
(factory
default)
Configurable
Diagnostic
behavior
from the
factory
Configurable
Not
configurable
Not
configurable
Diagnostics
001
1
Device failure
1. Restart device.
2. Replace electronics.
F
Alarm
004
2
Sensor defective
Replace device.
F
Alarm
047
22
Sensor limit reached
1. Check sensor.
2. Check process conditions.
S
Warning
105
26
Manual calibration
interval expired
1. Execute calibration and reset
calibration interval.
2. Switch off calibration counter
M
Warning
143
21
Sensordrift Alarm
limit exceeded
1. Check self calibration alarm
limits.
2. Check value of adjustment.
3. Replace device
S
Warning
144
27
Sensordrift warning
limit exceeded
1. Check self calibration warning
limits.
2. Check value of adjustment.
3. Replace device
M
Warning
221
29
Reference sensor
defective
Replace device.
M
Warning
Summary of Contents for iTHERM TrustSens TM371
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